import { Collapse, Func1, FuncSpreadable, Joiner, ValidLength } from './';
import { MappableObject } from './mapObjectKeys';
export declare const validLength: ValidLength;
export declare const joiner: Joiner;
export declare const trim: (a: string) => string;
export declare const collapse: Collapse;
export declare const camelCaseObjectKeys: (func?: FuncSpreadable) => Func1<MappableObject>;
export declare const snakeCaseObjectKeys: (func?: FuncSpreadable) => Func1<MappableObject>;